Home / 35,701.76-53,560.47-13,515.32

Finding the Fourth Proportional to 35,701.76, 53,560.47 and 13,515.32

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Solution

The fourth proportional to 35,701.76, 53,560.47 and 13,515.32 is: 20,275.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,701.76 : 53,560.47 = 13,515.32 : x
  2. Step 2: Convert to fraction form
    35,701.76/53,560.47 = 13,515.32/x
  3. Step 3: Cross multiply
    35,701.76x = 53,560.47 × 13,515.32
  4. Step 4: Simplify right side
    35,701.76x = 723,886,891.40
  5. Step 5: Solve for x
    x = 723,886,891.40/35,701.76
  6. Step 6: Final answer
    x = 20,275.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.